The system lights up each key on the keyboard but is able to notice a difference in brain activity when the desired letter for input is lit.
该系统点亮键盘上每个键，当想要的字母出现时，可以观察到大脑活动 的变化。
The system lights up each key on the keyboard but is able to notice a difference in brain activity when the desired letter for input is lit.
该系统点亮键盘上每个键，当想要的字母出现时，可以观察到大脑活动 的变化。
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